TW365716B - High data rate spread spectrum transceiver and associated methods - Google Patents
High data rate spread spectrum transceiver and associated methodsInfo
- Publication number
- TW365716B TW365716B TW087102737A TW87102737A TW365716B TW 365716 B TW365716 B TW 365716B TW 087102737 A TW087102737 A TW 087102737A TW 87102737 A TW87102737 A TW 87102737A TW 365716 B TW365716 B TW 365716B
- Authority
- TW
- Taiwan
- Prior art keywords
- data rate
- spread spectrum
- psk
- demodulator
- modulator
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
- H04J13/0048—Walsh
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
- H04J13/12—Generation of orthogonal codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/819,846 US5982807A (en) | 1997-03-17 | 1997-03-17 | High data rate spread spectrum transceiver and associated methods |
Publications (1)
Publication Number | Publication Date |
---|---|
TW365716B true TW365716B (en) | 1999-08-01 |
Family
ID=25229241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW087102737A TW365716B (en) | 1997-03-17 | 1998-02-25 | High data rate spread spectrum transceiver and associated methods |
Country Status (7)
Country | Link |
---|---|
US (2) | US5982807A (zh) |
EP (2) | EP1401114A3 (zh) |
JP (1) | JP4203551B2 (zh) |
KR (1) | KR100530277B1 (zh) |
CN (1) | CN1284305C (zh) |
DE (1) | DE69827866T2 (zh) |
TW (1) | TW365716B (zh) |
Families Citing this family (94)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3125717B2 (ja) * | 1997-05-30 | 2001-01-22 | 日本電気株式会社 | 直交変復調回路を用いた無線通信装置 |
US6389000B1 (en) * | 1997-09-16 | 2002-05-14 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving high speed data in a CDMA communication system using multiple carriers |
JP3360205B2 (ja) * | 1997-10-23 | 2002-12-24 | 富士通株式会社 | Cdma受信装置 |
US6192070B1 (en) * | 1998-01-02 | 2001-02-20 | Mitsubishi Electric Research Laboratories, Inc. | Universal modem for digital video, audio and data communications |
US6240081B1 (en) * | 1998-01-15 | 2001-05-29 | Denso Corporation | Multicode CDMA transmitter with improved signal processing |
EP1363438A3 (en) * | 1998-01-30 | 2004-02-11 | Matsushita Electric Industrial Co., Ltd. | Modulation method and radio communication system |
US6278722B1 (en) * | 1998-02-25 | 2001-08-21 | Lucent Technologies Inc. | Architecture for a digital portable telephone |
JP3981899B2 (ja) * | 1998-02-26 | 2007-09-26 | ソニー株式会社 | 送信方法、送信装置及び受信装置 |
JP2928224B1 (ja) * | 1998-02-26 | 1999-08-03 | 静岡日本電気株式会社 | アンテナ切替ダイバーシティ受信装置及び受信方法 |
US6324159B1 (en) * | 1998-05-06 | 2001-11-27 | Sirius Communications N.V. | Method and apparatus for code division multiple access communication with increased capacity through self-noise reduction |
US6205171B1 (en) * | 1998-05-08 | 2001-03-20 | Industrial Technology Research Institute | Antenna selector switch |
JP2002535764A (ja) * | 1999-01-15 | 2002-10-22 | ノキア モービル フォーンズ リミテッド | インタフェース |
DE19918059C1 (de) * | 1999-04-21 | 2000-11-30 | Siemens Ag | Transceiver mit bidirektionalen internen Schnittstellenleitungen |
US7372888B1 (en) | 1999-05-10 | 2008-05-13 | Agilent Technologies Inc. | Method and apparatus for software reconfigurable communication transmission/reception and navigation signal reception |
EP1175734A1 (en) * | 1999-05-10 | 2002-01-30 | Sirius Communications N.V. | Method and apparatus for high-speed software reconfigurable code division multiple access communication |
KR20000073917A (ko) * | 1999-05-15 | 2000-12-05 | 윤종용 | 비동기식 부호분할다중접속 통신시스템의 동기워드 생성 및 송수신장치 및 방법 |
US6560443B1 (en) * | 1999-05-28 | 2003-05-06 | Nokia Corporation | Antenna sharing switching circuitry for multi-transceiver mobile terminal and method therefor |
US7327779B1 (en) | 1999-07-23 | 2008-02-05 | Agilent Technologies, Inc. | Method and apparatus for high-speed software reconfigurable code division multiple access communication |
US6654616B1 (en) * | 1999-09-27 | 2003-11-25 | Verizon Laboratories Inc. | Wireless area network having flexible backhauls for creating backhaul network |
US6442380B1 (en) * | 1999-12-22 | 2002-08-27 | U.S. Philips Corporation | Automatic gain control in a zero intermediate frequency radio device |
US7570929B1 (en) * | 2000-01-14 | 2009-08-04 | Symbol Technologies, Inc. | 802.11 networks using dynamic power control for RF transmission |
EP1124337A3 (en) | 2000-02-11 | 2002-11-20 | Nokia Inc. | Switchless half-duplex transceiver front end |
US7321774B1 (en) | 2002-04-24 | 2008-01-22 | Ipventure, Inc. | Inexpensive position sensing device |
US7212829B1 (en) | 2000-02-28 | 2007-05-01 | Chung Lau | Method and system for providing shipment tracking and notifications |
US7366522B2 (en) | 2000-02-28 | 2008-04-29 | Thomas C Douglass | Method and system for location tracking |
US7218938B1 (en) | 2002-04-24 | 2007-05-15 | Chung Lau | Methods and apparatus to analyze and present location information |
US7403972B1 (en) | 2002-04-24 | 2008-07-22 | Ip Venture, Inc. | Method and system for enhanced messaging |
US6975941B1 (en) | 2002-04-24 | 2005-12-13 | Chung Lau | Method and apparatus for intelligent acquisition of position information |
DE10012360C2 (de) * | 2000-03-14 | 2002-01-31 | Skidata Ag | Verfahren zur Steuerung der Heizelemente eines Thermodruckkopfes |
SE0002615L (sv) * | 2000-07-07 | 2002-01-08 | Spirea Ab | Interface device |
EP1176778A1 (de) * | 2000-07-29 | 2002-01-30 | Micronas GmbH | Datenübertragungsverfahren |
US6999443B1 (en) * | 2000-09-15 | 2006-02-14 | Atheros Communications, Inc. | Hardware MAC |
GB0028652D0 (en) * | 2000-11-24 | 2001-01-10 | Koninkl Philips Electronics Nv | Radio receiver |
KR100754633B1 (ko) * | 2000-12-27 | 2007-09-05 | 삼성전자주식회사 | 이동통신 시스템에서 패킷 데이터 서비스를 위한 송수신장치 및 방법 |
US6882679B2 (en) * | 2000-12-29 | 2005-04-19 | Sharp Laboratories Of America, Inc. | Extension of wireless local area network communication system to accommodate higher data rates while preserving legacy receiver features |
US6882692B2 (en) | 2000-12-29 | 2005-04-19 | Sharp Laboratories Of America, Inc. | Fast transform system for an extended data rate WLAN system |
US7245725B1 (en) * | 2001-05-17 | 2007-07-17 | Cypress Semiconductor Corp. | Dual processor framer |
US7394864B2 (en) * | 2001-07-06 | 2008-07-01 | Conexant, Inc. | Mixed waveform configuration for wireless communications |
EP1309103A1 (en) | 2001-10-31 | 2003-05-07 | Nokia Corporation | Antenna system for GSM/WLAN radio operation |
US7561852B2 (en) * | 2001-11-14 | 2009-07-14 | Broadcom Corporation | Integrated multimode radio and components thereof |
US7239648B1 (en) | 2001-11-27 | 2007-07-03 | Marvell International Ltd. | Extension mode for wireless lans complying with short interframe space requirement |
US6795877B2 (en) * | 2001-11-29 | 2004-09-21 | Intel Corporation | Configurable serial bus to couple baseband and application processors |
US8045935B2 (en) | 2001-12-06 | 2011-10-25 | Pulse-Link, Inc. | High data rate transmitter and receiver |
US7095710B2 (en) * | 2001-12-21 | 2006-08-22 | Qualcomm | Decoding using walsh space information |
US7039017B2 (en) | 2001-12-28 | 2006-05-02 | Texas Instruments Incorporated | System and method for detecting and locating interferers in a wireless communication system |
DE10214063B4 (de) * | 2002-03-28 | 2007-05-03 | Advanced Micro Devices, Inc., Sunnyvale | Synchronisationsdatendetektionseinheit und -verfahren |
WO2003084119A1 (en) * | 2002-03-28 | 2003-10-09 | Advanced Micro Devices, Inc. | Synchronization data detection unit and method |
US9182238B2 (en) | 2002-04-24 | 2015-11-10 | Ipventure, Inc. | Method and apparatus for intelligent acquisition of position information |
US9049571B2 (en) | 2002-04-24 | 2015-06-02 | Ipventure, Inc. | Method and system for enhanced messaging |
US7372892B2 (en) * | 2002-04-29 | 2008-05-13 | Interdigital Technology Corporation | Simple and robust digital code tracking loop for wireless communication systems |
US7251459B2 (en) | 2002-05-03 | 2007-07-31 | Atheros Communications, Inc. | Dual frequency band wireless LAN |
US7388931B1 (en) | 2002-06-12 | 2008-06-17 | Marvell International Ltd. | ADC architecture for wireless applications |
US7106803B1 (en) | 2002-06-26 | 2006-09-12 | Marvell International Ltd. | Phase shift keying wireless communication apparatus and method |
DE10228999B4 (de) * | 2002-06-28 | 2006-12-14 | Advanced Micro Devices, Inc., Sunnyvale | Konstellationsmanipulation zur Frequenz/Phasenfehlerkorrektur |
US6650187B1 (en) * | 2002-08-29 | 2003-11-18 | Qualcomm, Incorporated | Decision directed suppressed carrier symbol-rate PLL with programmable phase discriminator and chip-rate phase extrapolation |
US7110734B2 (en) * | 2002-09-05 | 2006-09-19 | Maxim Integrated Products Inc. | DC offset cancellation in a zero if receiver |
DE10250939B4 (de) * | 2002-10-31 | 2006-04-27 | Advanced Micro Devices, Inc., Sunnyvale | DSSS und CCK-Basisband-Codierungsgerät und Verfahren |
DE10251309B3 (de) | 2002-11-04 | 2004-04-29 | Advanced Micro Devices, Inc., Sunnyvale | Kohärente und nichtkohärente Datenpfadaufspaltung in Empfängern für eine verbesserte Synchronisierung |
US7372928B1 (en) | 2002-11-15 | 2008-05-13 | Cypress Semiconductor Corporation | Method and system of cycle slip framing in a deserializer |
US7548579B1 (en) | 2003-03-31 | 2009-06-16 | 3Com Corporation | Symbol spreading method and device for OFDM systems |
US7280621B1 (en) | 2003-03-31 | 2007-10-09 | 3Com Corporation | Preamble detector method and device for OFDM systems |
US7203245B1 (en) | 2003-03-31 | 2007-04-10 | 3Com Corporation | Symbol boundary detector method and device for OFDM systems |
KR100559545B1 (ko) * | 2003-04-08 | 2006-03-10 | 엘지전자 주식회사 | 단말기의 데이터통신 통화품질 개선 장치 및 그 방법 |
US6756925B1 (en) | 2003-04-18 | 2004-06-29 | Northrop Grumman Corporation | PSK RSFQ output interface |
US7474608B2 (en) * | 2004-01-12 | 2009-01-06 | Intel Corporation | Method for signaling information by modifying modulation constellations |
US7395495B2 (en) * | 2004-01-12 | 2008-07-01 | Intel Corporation | Method and apparatus for decoding forward error correction codes |
US8644192B2 (en) * | 2005-10-21 | 2014-02-04 | Honeywell International Inc. | Wireless transmitter initiated communication methods |
US8811231B2 (en) * | 2005-10-21 | 2014-08-19 | Honeywell International Inc. | Wireless transmitter initiated communication systems |
EP1974516B1 (en) | 2005-12-20 | 2018-05-30 | LG Electronics Inc. | Method of generating code sequence and method of transmitting signal using the same |
US8830983B2 (en) | 2005-12-20 | 2014-09-09 | Lg Electronics Inc. | Method of generating code sequence and method of transmitting signal using the same |
WO2008038979A2 (en) * | 2006-09-26 | 2008-04-03 | Lg Electronics Inc. | A method for transmitting information using sequence. |
KR101341514B1 (ko) | 2006-09-26 | 2013-12-16 | 엘지전자 주식회사 | 시퀀스를 이용하여 정보를 송신하는 방법 |
US7693191B2 (en) * | 2007-03-26 | 2010-04-06 | Freescale Semiconductor, Inc. | System and method for receiving a multiple format wireless signal |
US7903720B2 (en) * | 2007-06-13 | 2011-03-08 | Simmonds Precision Products, Inc. | Alternative direct sequence spread spectrum symbol to chip mappings and methods for generating the same |
US7860464B2 (en) * | 2007-09-28 | 2010-12-28 | Broadcom Corporation | Method and system for a programmable local oscillator generator based on quadrature mixing using a phase shifter |
US7885363B2 (en) * | 2007-10-18 | 2011-02-08 | Mediatek Inc. | Correlation device and method for different modulated signals |
US7983235B2 (en) | 2007-11-05 | 2011-07-19 | Freescale Semiconductor, Inc. | High speed overlay mode for burst data and real time streaming (audio) applications |
US7856243B2 (en) * | 2007-12-05 | 2010-12-21 | Telefonaktiebolaget Lm Ericsson | Power control for a radio transceiver that uses interference cancellation |
US7817708B2 (en) * | 2007-12-14 | 2010-10-19 | Sivaswamy Associates, Llc. | Orthogonal code division multiplex CCK (OCDM-CCK) method and apparatus for high data rate wireless LAN |
KR100994982B1 (ko) * | 2008-02-01 | 2010-11-19 | 한국전자통신연구원 | 확산부호의 주파수 기저대역을 선택하는 방법, 이를 이용한적응형 주파수 선택적 스프레더 및 이를 이용한 송수신장치 |
FR2946206B1 (fr) * | 2009-05-29 | 2015-02-27 | Alcatel Lucent | Transmetteur de donnees multi-format |
US9633327B2 (en) | 2009-09-25 | 2017-04-25 | Fedex Corporate Services, Inc. | Sensor zone management |
JP2011199599A (ja) * | 2010-03-19 | 2011-10-06 | Panasonic Corp | 受信機 |
IT1401732B1 (it) * | 2010-06-28 | 2013-08-02 | Selex Communications Spa | Metodo di comunicazione multimediale bimodale, dispositivo di comunicazione multimediale bimodale, e rete |
EP2445113B1 (en) * | 2010-10-22 | 2016-08-31 | ST-Ericsson SA | Reconfigurable wide-band radio receiver with positive feed-back translational loop |
RU2465725C1 (ru) * | 2011-04-21 | 2012-10-27 | Открытое акционерное общество "Концерн "Созвездие" | Широкополосная система радиосвязи кв диапазона |
CN103002169B (zh) * | 2011-09-16 | 2014-11-26 | 瑞昱半导体股份有限公司 | 信号传收方法、信号传收电路、网络联机方法及网络装置 |
MY164135A (en) | 2011-09-26 | 2017-11-30 | Aviat Networks Inc | Systems and methods for asynchronous re-modulation with adaptive i/q adjustment |
EP2786514A4 (en) * | 2011-12-01 | 2015-05-06 | Optimark Llc | ALGEBRAIC GENERATORS OF SEQUENCES FOR COMMUNICATION SIGNALS |
US8588721B2 (en) * | 2012-02-08 | 2013-11-19 | King Fahd University Of Petroleum And Minerals | Dual mode receiver channel select filter |
CN103487815B (zh) * | 2013-10-10 | 2016-04-13 | 南京航空航天大学 | 一种基于正交域干扰优化重叠复用的卫星导航信号增强方法 |
JP6392106B2 (ja) * | 2014-12-16 | 2018-09-19 | 株式会社東芝 | 受信機および電圧制御発振器 |
US10742257B1 (en) | 2018-09-26 | 2020-08-11 | Novatel Inc. | System and method for demodulating code shift keying data from a satellite signal utilizing a binary search |
US10742258B1 (en) * | 2018-09-26 | 2020-08-11 | Novatel Inc. | System and method for demodulating code shift keying data utilizing correlations with combinational PRN codes generated for different bit positions |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2204057A (en) * | 1937-06-15 | 1940-06-11 | Swartz Paul | Pulverizing mill |
US4730340A (en) | 1980-10-31 | 1988-03-08 | Harris Corp. | Programmable time invariant coherent spread symbol correlator |
US4626796A (en) * | 1985-03-01 | 1986-12-02 | General Electric Company | Digital apparatus and method for programmably phase shifting an audio tone |
US4617553A (en) | 1985-08-12 | 1986-10-14 | Harris Corporation | Enhanced Miller code |
US4813001A (en) * | 1987-05-29 | 1989-03-14 | Schlumberger Systems, Inc. | AC calibration method and device by determining transfer characteristics |
US5063571A (en) * | 1989-12-27 | 1991-11-05 | Nynex Corporation | Method and apparatus for increasing the data rate for a given symbol rate in a spread spectrum system |
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5218619A (en) | 1990-12-17 | 1993-06-08 | Ericsson Ge Mobile Communications Holding, Inc. | CDMA subtractive demodulation |
US5193180A (en) * | 1991-06-21 | 1993-03-09 | Pure Software Inc. | System for modifying relocatable object code files to monitor accesses to dynamically allocated memory |
US5210770A (en) | 1991-09-27 | 1993-05-11 | Lockheed Missiles & Space Company, Inc. | Multiple-signal spread-spectrum transceiver |
US5353352A (en) | 1992-04-10 | 1994-10-04 | Ericsson Ge Mobile Communications Inc. | Multiple access coding for radio communications |
JPH06252881A (ja) * | 1993-02-25 | 1994-09-09 | Matsushita Electric Ind Co Ltd | スペクトラム拡散通信装置 |
US5367516A (en) * | 1993-03-17 | 1994-11-22 | Miller William J | Method and apparatus for signal transmission and reception |
US5361276A (en) * | 1993-09-13 | 1994-11-01 | At&T Bell Laboratories | All digital maximum likelihood based spread spectrum receiver |
US5471497A (en) | 1993-11-01 | 1995-11-28 | Zehavi; Ephraim | Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding |
MX9603336A (es) * | 1994-02-17 | 1997-05-31 | Micrilor Inc | Red de area local inalambrica de alto indice de datos. |
US5809060A (en) | 1994-02-17 | 1998-09-15 | Micrilor, Inc. | High-data-rate wireless local-area network |
US5515396A (en) * | 1994-02-25 | 1996-05-07 | Motorola, Inc. | Method and apparatus for selecting a spreading code in a spectrum spread communication system |
JP2852408B2 (ja) * | 1994-03-09 | 1999-02-03 | 郵政省通信総合研究所長 | データ伝送方法 |
US5497395A (en) * | 1994-04-04 | 1996-03-05 | Qualcomm Incorporated | Method and apparatus for modulating signal waveforms in a CDMA communication system |
FI942190A (fi) * | 1994-05-11 | 1995-11-12 | Nokia Telecommunications Oy | Menetelmä ja järjestely suurinopeuksista datansiirtoa varten TDMA-radiotietoliikennejärjestelmässä |
US5621752A (en) * | 1994-06-23 | 1997-04-15 | Qualcomm Incorporated | Adaptive sectorization in a spread spectrum communication system |
US5537410A (en) * | 1994-09-15 | 1996-07-16 | Oki Telecom | Subsequent frame variable data rate indication method |
US5659573A (en) * | 1994-10-04 | 1997-08-19 | Motorola, Inc. | Method and apparatus for coherent reception in a spread-spectrum receiver |
US5598154A (en) * | 1994-12-02 | 1997-01-28 | Unisys Corporation | Apparatus and method for generating and utilizing pseudonoise code sequences |
US5602833A (en) * | 1994-12-19 | 1997-02-11 | Qualcomm Incorporated | Method and apparatus for using Walsh shift keying in a spread spectrum communication system |
DE69634845T2 (de) * | 1995-01-05 | 2006-05-18 | Ntt Docomo Inc. | Vorrichtung und verfahren zur kohärenten verfolgung eines signals zur verwendung in einem cdma empfänger |
GB9507449D0 (en) * | 1995-04-11 | 1995-05-31 | Philips Electronics Uk Ltd | Communications system and transmitting means therefor |
US5537398A (en) * | 1995-05-12 | 1996-07-16 | Motorola, Inc. | Apparatus for multi-rate simulcast communications |
US5577025A (en) * | 1995-06-30 | 1996-11-19 | Qualcomm Incorporated | Signal acquisition in a multi-user communication system using multiple walsh channels |
US5883921A (en) * | 1995-07-31 | 1999-03-16 | Harris Corporation | Short burst acquisition circuit and method for direct sequence spread spectrum links |
US5694417A (en) * | 1995-07-31 | 1997-12-02 | Harris Corporation | Short burst direct acquisition direct sequence spread spectrum receiver |
US6404732B1 (en) * | 1996-07-30 | 2002-06-11 | Agere Systems Guardian Corp. | Digital modulation system using modified orthogonal codes to reduce autocorrelation |
US6452958B1 (en) | 1996-07-30 | 2002-09-17 | Agere Systems Guardian Corp | Digital modulation system using extended code set |
US5862182A (en) | 1996-07-30 | 1999-01-19 | Lucent Technologies Inc. | OFDM digital communications system using complementary codes |
US5790534A (en) * | 1996-09-20 | 1998-08-04 | Nokia Mobile Phones Limited | Load control method and apparatus for CDMA cellular system having circuit and packet switched terminals |
KR19980039597A (ko) * | 1996-11-28 | 1998-08-17 | 이우복 | 무선랜 시스템의 송신 mpdu 변조방식 변환회로 |
US6442380B1 (en) * | 1999-12-22 | 2002-08-27 | U.S. Philips Corporation | Automatic gain control in a zero intermediate frequency radio device |
-
1997
- 1997-03-17 US US08/819,846 patent/US5982807A/en not_active Ceased
-
1998
- 1998-02-25 TW TW087102737A patent/TW365716B/zh active
- 1998-02-26 EP EP03022554A patent/EP1401114A3/en not_active Withdrawn
- 1998-02-26 EP EP98103451A patent/EP0866588B1/en not_active Expired - Lifetime
- 1998-02-26 DE DE69827866T patent/DE69827866T2/de not_active Expired - Lifetime
- 1998-03-16 CN CNB981054951A patent/CN1284305C/zh not_active Expired - Lifetime
- 1998-03-17 JP JP06746398A patent/JP4203551B2/ja not_active Expired - Lifetime
- 1998-03-17 KR KR1019980009022A patent/KR100530277B1/ko not_active IP Right Cessation
-
2001
- 2001-11-09 US US10/005,483 patent/USRE40231E1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69827866T2 (de) | 2005-12-15 |
EP0866588B1 (en) | 2004-12-01 |
EP1401114A2 (en) | 2004-03-24 |
JPH10322242A (ja) | 1998-12-04 |
KR19980080365A (ko) | 1998-11-25 |
CN1284305C (zh) | 2006-11-08 |
JP4203551B2 (ja) | 2009-01-07 |
EP0866588A2 (en) | 1998-09-23 |
EP1401114A3 (en) | 2004-05-19 |
USRE40231E1 (en) | 2008-04-08 |
DE69827866D1 (de) | 2005-01-05 |
EP0866588A3 (en) | 2002-12-04 |
US5982807A (en) | 1999-11-09 |
CN1206254A (zh) | 1999-01-27 |
KR100530277B1 (ko) | 2006-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW365716B (en) | High data rate spread spectrum transceiver and associated methods | |
EP0827296B1 (en) | CDMA communication system | |
EP0783210A3 (en) | Spread spectrum communications system | |
HK1015211A1 (en) | Quadrature multiplexing of two data signals spreadby different pn-sequences | |
US5687166A (en) | Modulation system for spread spectrum CDMA communication | |
MY126475A (en) | Apparatus and methods for providing high-penetration messaging in wireless communications systems | |
EP1234385A1 (en) | Apparatus and method for transmitting a burst pilot channel in a mobile communication system | |
EP0847169A3 (en) | Communication signal processors and methods compatible with a variety of modulation types | |
RU2000102348A (ru) | Абонентское устройство и способ его использования в системе беспроводной связи | |
EP2264933A3 (en) | Digital radio communication system and method | |
EP0863622A3 (en) | Method and system providing unified DPSK-PSK signalling for cdma-based satellite communications | |
US5668795A (en) | Modulation system for spread spectrum CDMA communiction | |
CA2214061C (en) | Differential psk signalling in cdma networks | |
EP1333606A3 (en) | Transmission of CPM spread spectrum communications | |
KR101101367B1 (ko) | 통신 장치들 사이의 시그널링 방법, 통신 장치 및 이를 포함하는 통신 시스템 | |
GB2300545A (en) | Processing binary phase-shift keyed signals | |
EP1168674A3 (en) | Low signal to noise ratio acquisition and link characterization techniques for VSAT spread spectrum modems | |
CA2263775A1 (en) | Simply-constructed digital radio communication system capable of changing transmission capacity mode | |
EP0397094A3 (en) | Spread spectrum communication system | |
CA2364409A1 (en) | Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (dbpsk) | |
CN1206266A (zh) | Cdma网中差分psk信号的传送 | |
CA2615665C (en) | Synchronous spread-spectrum communications system and method | |
Sugiura | An amplitude limiting type code division multiplex system for extremely low power transmitters | |
Kubota et al. | A time diversity CDMA scheme employing orthogonal modulation for time varying channels | |
MXPA98001457A (en) | Psk differential signaling in multiple access networks of cod division |